6416081 has 4 divisors (see below), whose sum is σ = 7332672. Its totient is φ = 5499492.

The previous prime is 6416071. The next prime is 6416087. The reversal of 6416081 is 1806146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1806146 = 2 ⋅903073.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6416081 is a prime.

It is a super-2 number, since 2×6416081² = 82332190797122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6416081.

It is not an unprimeable number, because it can be changed into a prime (6416087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458285 + ... + 458298.

It is an arithmetic number, because the mean of its divisors is an integer number (1833168).

Almost surely, 2^6416081 is an apocalyptic number.

It is an amenable number.

6416081 is a deficient number, since it is larger than the sum of its proper divisors (916591).

6416081 is an equidigital number, since it uses as much as digits as its factorization.

6416081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916590.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 6416081 is about 2532.9984208444. The cubic root of 6416081 is about 185.8189261801.

The spelling of 6416081 in words is "six million, four hundred sixteen thousand, eighty-one".